body {
  font-family: 'Microsoft YaHei';
}

.wrap {
  position: fixed;
  width: 370px;
  left: 60%;
  margin-left: -225px;
  top: 20px;
  bottom: 20px;
  border: 1px solid #ebebeb;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.header {
  height: 55px;
  background: linear-gradient(90deg, rgba(246, 60, 47, 0.6), rgba(128, 58, 242, 0.6));
  overflow: hidden;
}

.header h3 {
  color: #faf3fc;
  line-height: 55px;
  font-weight: normal;
  float: left;
  letter-spacing: 2px;
  margin-left: 25px;
  font-size: 18px;
  text-shadow: 0px 0px 5px #944846;
}

.header img {
  float: right;
  margin: 7px 25px 0 0;
  border-radius: 20px;
  box-shadow: 0 0 5px #f7f2fe;
}

.main {
  position: absolute;
  left: 0;
  right: 0;
  top: 55px;
  bottom: 55px;
  background-color: #f4f3f3;
  box-sizing: border-box;
  padding: 10px 0;
  overflow: hidden;
}

.talk_list {
  position: absolute;
  width: 100%;
  left: 0px;
  top: 0px;
  height: 100%;
  overflow: auto;
}


.talk_list::-webkit-scrollbar {
  width: 10px;
  /*高宽分别对应横竖滚动条的尺寸*/
  height: 1px;
}

.talk_list::-webkit-scrollbar-thumb {
  border-radius: 10px;
  background-color: rgba(128, 58, 242, 0.6);
  background-image: -webkit-linear-gradient(45deg,
      rgba(255, 255, 255, 0.2) 25%,
      transparent 25%,
      transparent 50%,
      rgba(255, 255, 255, 0.2) 50%,
      rgba(255, 255, 255, 0.2) 75%,
      transparent 75%,
      transparent);
}

.talk_list::-webkit-scrollbar-track {
  /*滚动条里面轨道*/
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  border-radius: 10px;
}


.talk_list li {
  overflow: hidden;
  margin: 20px 0px 30px;
}

.talk_list .left_word img {
  float: left;
  margin-left: 20px;
  border-radius: 10%;
}

.talk_list .left_word span {
  float: left;
  background-color: #fe9697;
  padding: 10px 15px;
  max-width: 290px;
  border-radius: 12px;
  font-size: 16px;
  color: #fff;
  margin-left: 13px;
  position: relative;
  line-height: 24px;
  word-break: break-word;
}

.talk_list .left_word span:before {
  content: '';
  position: absolute;
  left: -8px;
  top: 3px;
  width: 13px;
  height: 12px;
  background: url('../img/corner01.png') no-repeat;
}

.talk_list .right_word img {
  float: right;
  margin-right: 20px;
  border-radius: 10%;
}

.talk_list .right_word span {
  float: right;
  background-color: #fff;
  padding: 10px 15px;
  max-width: 290px;
  border-radius: 12px;
  font-size: 16px;
  color: #000;
  margin-right: 13px;
  position: relative;
  line-height: 24px;
  word-break: break-word;
}

.talk_list .right_word span:before {
  content: '';
  position: absolute;
  right: -8px;
  top: 3px;
  width: 13px;
  height: 12px;
  background: url('../img/corner02.png') no-repeat;
}

.drag_bar {
  position: absolute;
  right: 0px;
  top: 0px;
  background-color: #fff;
  height: 100%;
  width: 6px;
  box-sizing: border-box;
  border-bottom: 1px solid #f4f3f3;
}

.drager {
  position: absolute;
  left: 0px;
  top: 0px;
  background-color: #cdcdcd;
  height: 100px;
  width: 6px;
  border-radius: 3px;
  cursor: pointer;
}

.footer {
  width: 100%;
  height: 55px;
  left: 0px;
  bottom: 0px;
  background-color: #fff;
  position: absolute;
}

.footer img {
  float: left;
  margin: 8px 0 0 20px;
  border-radius: 10%;
}

.input_txt {
  float: left;
  width: 270px;
  height: 37px;
  border: 0px;
  background-color: #f4f3f3;
  margin: 9px 0 0 20px;
  border-radius: 8px;
  padding: 0px;
  outline: none;
  text-indent: 15px;
}

.input_sub {
  float: left;
  width: 70px;
  height: 37px;
  border: 0px;
  background-color: #fe9697;
  margin: 9px 0 0 15px;
  border-radius: 8px;
  padding: 0px;
  outline: none;
  color: #fff;
  cursor: pointer;
}